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MN74HC245 from PANASONI,Panasonic

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MN74HC245

Manufacturer: PANASONI, MAT

Microcomputers Application-Specific Standard-Product ICs

Partnumber Manufacturer Quantity Availability
MN74HC245 PANASONI, MAT 33 In Stock

Description and Introduction

Microcomputers Application-Specific Standard-Product ICs # Introduction to the MN74HC245 Octal Bus Transceiver  

The MN74HC245 is a high-speed CMOS (Complementary Metal-Oxide-Semiconductor) octal bus transceiver designed for bidirectional data communication between two buses. It features eight bidirectional channels with 3-state outputs, making it ideal for applications requiring data buffering, isolation, or voltage level translation in digital systems.  

This IC operates within a wide voltage range (2V to 6V), ensuring compatibility with both 3.3V and 5V logic levels. Its high-speed performance, with propagation delays as low as 10 ns, makes it suitable for high-frequency applications. The direction of data flow is controlled by a single Direction (DIR) input, while an Output Enable (OE) pin allows the outputs to be placed in a high-impedance state, preventing bus contention.  

Key features of the MN74HC245 include:  
- **Bidirectional data transfer** for efficient bus communication.  
- **3-state outputs** for bus isolation and reduced power consumption.  
- **Low power consumption**, typical of CMOS technology.  
- **High noise immunity**, ensuring reliable operation in noisy environments.  

Common applications include microprocessor/microcontroller interfacing, memory systems, and data transmission in industrial, automotive, and consumer electronics. Its robust design and ease of integration make the MN74HC245 a versatile choice for digital system designers seeking reliable bidirectional communication solutions.  

By combining speed, efficiency, and flexibility, the MN74HC245 remains a widely used component in modern electronic circuits.

Application Scenarios & Design Considerations

Microcomputers Application-Specific Standard-Product ICs

Alternative Part Number

  • SN74HC245N --: Industry-standard 74HC245 octal bus transceiver with identical pinout and function, widely available and directly interchangeable.
  • CD74HC245E --: Equivalent HC-family octal bus transceiver in DIP package, same logic function and pin configuration as the original.
  • MC74HC245AN --: Pin-compatible 74HC245 octal bus transceiver from a different series prefix, suitable drop-in replacement for the Panasonic part.

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